CPC Main Group
B41L 27/00 Inking arrangements or devices (inking units for stencilling apparatus B41L13/18; applying liquids or other fluent materials to surfaces, in general B05)
Filing statistics
CPC B41L 27/00 belongs to the parent subclass B41L, which recorded 534 patent applications worldwide between 2013 and 2023. Annual filings declined from 54 in 2013 to 20 in 2023 (-63%), peaking at 86 applications in 2017. The most active applicants in class B41 are SEIKO EPSON CORPORATION (8,446 applications), SEIKO EPSON CORPORATION (8,438 applications) and HEWLETT-PACKARD DEVELOPMENT COMPANY (7,828 applications).
Source: EPO PATSTAT, worldwide filings
10 direct subcodes
Child Classifications
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- B41L 27/02 adapted for inking by hand
- B41L 27/04 Ducts, containers, or supply devices or ink-level control devices (level control in general G05D9/00)
- B41L 27/18 Continuous, e.g. endless-band apparatus
- B41L 27/20 for inking selected parts of printing formes
- B41L 27/22 Ink removing or collecting devices
- B41L 27/24 for inking from interior of cylinder
- B41L 27/26 Absorbent pads
- B41L 27/28 Construction of inking rollers
- B41L 27/30 Spray apparatus
- B41L 27/32 Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings or forks therefor
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739